# A093449 (b-file synthesized from sequence entry) 1 2 2 6 3 30 4 210 5 2730 6 39270 7 510510 8 23393370 9 363993630 10 64790866140 11 530514844860 12 126408523110870 13 3425113062060690 14 660393717163700520 15 26657280574571657010 16 3448055881024876471350 17 308480161111936386482910